Method for producing a high reactive alloy
CA 2030274 A1 · Owner: Izawa, Tomoo · Inventors: Nayuki, Toshio; Takezawa, Iehisa; Izawa, Tomoo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method for producing a high reactive alloy comprises the steps of producing an alloy containing a metal having a high melting point temperature and A? crushing the alloy to form granules of alloy mixing, said granules of alloy with metallic granules having a high melting point temperature, which has components other than components constituting the alloy to form a, mixture of the granules of alloy and the metallic granules, pressing the mixture into a compact to form the compact, and melting the compact by means of electron beams, A? in the alloy being evaporated. The alloy has a melting point temperature of 1650°C or more. The metal is at least one selected from the group consisting of …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed November 19, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 19, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 19, 2012.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
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Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.